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Improve how throws from components are reported to the console #52050

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vzaidman
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@vzaidman vzaidman commented Jun 16, 2025

Summary:
Uncaught errors are currently raising a custom error to console.error:

  • With somewhat unclear messaging.
  • Only the component stack is reported.
  • The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
  • The actual error being thrown is never logged

After this change:

  • We print the actual error thrown
  • The Owner stack is attached

Changelog:

[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.


This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Differential Revision: D75080385

@facebook-github-bot facebook-github-bot added CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. p: Facebook Partner: Facebook Partner labels Jun 16, 2025
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This pull request was exported from Phabricator. Differential Revision: D75080385

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This pull request was exported from Phabricator. Differential Revision: D75080385

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This pull request was exported from Phabricator. Differential Revision: D75080385

vzaidman added a commit to vzaidman/react-native that referenced this pull request Jun 25, 2025
…ook#52050)

Summary:

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
vzaidman added a commit to vzaidman/react-native that referenced this pull request Jun 25, 2025
…ook#52050)

Summary:

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D75080385

vzaidman added a commit to vzaidman/react-native that referenced this pull request Jun 25, 2025
…ook#52050)

Summary:

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D75080385

vzaidman added a commit to vzaidman/react-native that referenced this pull request Jun 25, 2025
…ook#52050)

Summary:

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D75080385

vzaidman added a commit to vzaidman/react-native that referenced this pull request Jun 25, 2025
…ook#52050)

Summary:
Pull Request resolved: facebook#52050

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
…ook#52050)

Summary:

Uncaught errors are currently raising a custom error to `console.error`:
* With somewhat unclear messaging.
* Only the **component stack** is reported.
* The top-most stack leads to the component where the throw occurred and not to the actual error being thrown.
* The actual error being thrown is never logged

After this change:
* We print the actual error thrown
* The *Owner stack* is attached

(see test plan for examples)

## Changelog:
[General][Breaking] Improve messaging and add error stack trace in console errors generated on throws from components.

----

This is a breaking change because someone might be monkey-patching console.errors, or just listens to them.

Reviewed By: rickhanlonii

Differential Revision: D75080385
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This pull request was exported from Phabricator. Differential Revision: D75080385

@facebook-github-bot facebook-github-bot added the Merged This PR has been merged. label Jun 25, 2025
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This pull request has been merged in 5ba0e1f.

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This pull request was successfully merged by @vzaidman in 5ba0e1f

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3 participants